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Terminals Of Ecu [11/2017 - 12/2018]

  1. COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE) 
    GTY541354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F6-1 (MSM+) - Body ground LG - Body ground Steering pad switch assembly signal Power switch on (IG), enter, back and trip switches on steering pad switch assembly not pushed 4.8 to 5.2 V
      F6-2 (MSTI) - Body ground L - Body ground Steering pad switch assembly signal Power switch on (IG), up, down, right and left switches on steering pad switch assembly not pushed 4.8 to 5.2 V
      F6-3 (E2) - Body ground P - Body ground Ground Always Below 1 V
      F6-5 (IND) - Body ground P - Body ground Vehicle proximity notification system warning signal Approximately 3 seconds after turning power switch on (IG) Below 1.8 V
      F6-6 (INT) - Body ground LG - Body ground Tire pressure warning reset switch
      • Power switch on (IG)
      • Steering pad switch assembly operated, "TPMS" selected on the multi-information display and "ENTER" switch (steering pad switch assembly) pressed and held
      		 Below 1.5 V
      • Power switch on (IG)
      • "ENTER" switch (steering pad switch assembly) off
      		 8 to 15 V
      F6-8 (S) - Body ground GR - Body ground Oil pressure signal Engine started 11 to 14 V
      Engine not started Below 1 V
      F6-10 (RRSB) - Body ground P - Body ground Rear seat belt buckle switch RH signal Power switch on (IG), rear seat belt RH unfastened Below 1 V
      Power switch on (IG), rear seat belt RH fastened 11 to 14 V
      F6-11 (RCSB) - Body ground R - Body ground Rear seat belt buckle switch center signal Power switch on (IG), rear seat belt center unfastened Below 1 V
      Power switch on (IG), rear seat belt center fastened 11 to 14 V
      F6-12 (RLSB) - Body ground GR - Body ground Rear seat belt buckle switch LH signal Power switch on (IG), rear seat belt LH unfastened Below 1 V
      Power switch on (IG), rear seat belt LH fastened 11 to 14 V
      F6-15 (OIL) - Body ground P - Body ground Engine oil level signal Power switch on (IG), engine oil level not low 11 to 14 V
      Power switch on (IG), engine oil level low Below 1 V
      F6-16 (WLVL) - Body ground BE - Body ground Washer fluid level signal Power switch on (IG), washer fluid level not low 11 to 14 V
      Power switch on (IG), washer fluid level low Below 1 V
      F6-19 (+S) - Body ground B - Body ground Speed signal for other system (Output) Power switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      F6-20 (SI) - Body ground LG - Body ground Speed signal for other system (Input) Power switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      F6-21 (IG+) - Body ground G - Body ground Power switch signal Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      F6-22 (B) - Body ground W - Body ground Auxiliary battery Power switch off 11 to 14 V
      F6-23 (TWS3) - Body ground*2 SB - Body ground Engine coolant temperature sensor signal Power switch on (IG), engine coolant temperature below 113°C (235°F) 0.2 to 4.8 V
      Power switch on (IG), engine coolant temperature 120°C (248°F) or more Below 0.15 V
      F6-24 (TR) - Body ground L - Body ground Light control rheostat switch signal Power switch on (IG), up switch and down switch of trip switch not pushed 4.6 to 5.3 V
      Power switch on (IG), up switch of trip switch pushed Below 1 V
      Power switch on (IG), down switch of trip switch pushed 2 to 3.6 V
      F6-26 (CANH) - Body ground V - Body ground CAN communication line - -
      F6-27 (CANL) - Body ground W - Body ground CAN communication line - -
      F6-28 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω
      F6-29 (FR) - F6-30 (FE&B) L - BE Fuel level signal Power switch on (IG), fuel level full 4.1 to 4.4 V
      Power switch on (IG), fuel level low (fuel level warning light on) Below 1 V
      F6-31 (FV) - Body ground V - Body ground Fuel sender gauge (Power source) Power switch on (IG) 4.5 to 5.5 V
      F6-33 (MSCH) - Body ground*1 B - Body ground Local bus communication line - -
      F6-34 (MSCL) - Body ground*1 W - Body ground Local bus communication line - -
      F6-37 (LST1) - Body ground R - Body ground Fuel lid operation signal "Please Wait Now Opening" displayed on multi-information display Pulse generation (See waveform 2)
      "Close Fuel Lid" displayed on multi-information display Pulse generation (See waveform 3)
      "Refuel Ready" displayed on multi-information display Pulse generation (See waveform 4)
      Power switch on (IG) 11 to 14 V
      F6-39 (ILL-) - Body ground L - Body ground Illumination signal Headlight dimmer switch off Below 1 V
      Headlight dimmer switch in tail or head position Pulse generation
      F6-40 (EP) - Body ground W-B - Body ground Ground Always Below 1 Ω
      F7-1 (B) - Body ground G - Body ground Auxiliary battery Power switch off 11 to 14 V
      F7-2 (LP) - Body ground R - Body ground Security warning signal Security warning off 11 to 14 V
      Security warning blinking Below 1 V ←→ 11 to 14 V
      F7-3 (PAON) - Body ground W - Body ground Passenger airbag ON indicator light Power switch on (IG), passenger airbag on indicator light on Below 1 V
      Power switch on (IG), passenger airbag on indicator light off 11 to 14 V
      F7-4 (P-AB) - Body ground B - Body ground Passenger airbag OFF indicator light Power switch on (IG), passenger airbag off indicator light on Below 1 V
      Power switch on (IG), passenger airbag off indicator light off 11 to 14 V
      F7-5 (ER) - Body ground GR - Body ground RH turn signal switch signal Power switch on (IG), RH turn signal switch off 11 to 14 V
      Power switch on (IG), RH turn signal switch on Below 1 V
      F7-7 (TRNR) - Body ground SB - Body ground Turn signal light LH signal Power switch on (IG), LH turn indicator light off Below 1 V
      Power switch on (IG), LH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      F7-9 (SW) - Body ground BE - Body ground Turn signal switch signal Power switch on (IG), LH and RH turn signal switch off 11 to 14 V
      Power switch on (IG), LH or RH turn signal switch on Below 1 V
      F7-10 (HAZ) - Body ground L - Body ground Hazard warning signal switch signal Power switch on (IG), hazard warning signal switch not pressed 11 to 14 V
      Power switch on (IG), hazard warning signal switch pressed Below 1 V
      F7-11 (EL) - Body ground W - Body ground LH turn signal switch signal Power switch on (IG), LH turn signal switch off 11 to 14 V
      Power switch on (IG), LH turn signal switch on Below 1 V
      F7-13 (TRNL) - Body ground BE - Body ground Turn signal light RH signal Power switch on (IG), RH turn indicator light off Below 1 V
      Power switch on (IG), RH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      1. *1: for Navigation Receiver Type
      2. *2: w/ Exhaust Heat Recirculation System
      1. Waveform 1 (Reference):
        Fig 1: Waveform 1 (Reference)
        GTY436923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Item Condition
        Tool setting 5 V/DIV., 20 ms./DIV.
        Vehicle condition Power switch on (IG), wheel being rotated

        HINT: 

        When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.

      2. Waveform 2:
        Item Condition
        Tester Range 5 V/DIV., 20 ms./DIV.
        Condition "Please Wait Now Opening" displayed on multi-information display
        Fig 2: Waveform 3
        GTY552000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Waveform 3:
        Item Condition
        Tester Range 5 V/DIV., 20 ms./DIV.
        Condition "Close Fuel Lid" displayed on multi-information display
        Fig 3: Waveform 4
        GTY558736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Waveform 4:
        Item Condition
        Tester Range 5 V/DIV., 20 ms./DIV.
        Condition "Refuel Ready" displayed on multi-information display
        GTY561477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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